December weather forecastHighland Manor, TN
December
Weather in December
December, the first month of the winter in Highland Manor, is still a cool month, with an average temperature ranging between min 36.5°F (2.5°C) and max 50.7°F (10.4°C).Temperature
The start of December signals a gentle decrease in the average high-temperature, transitioning from a mild 58.6°F (14.8°C) in November to a cool 50.7°F (10.4°C). During December, Highland Manor sees a mean low-temperature of 36.5°F (2.5°C).Humidity
The most humid month in Highland Manor is December, with an average relative humidity of 80%.Rainfall
In Highland Manor, in December, it is raining for 12.5 days, with typically 3.58" (91mm) of accumulated precipitation. Throughout the year, in Highland Manor, there are 156.7 rainfall days, and 34.02" (864mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Highland Manor, in December, during 1.1 snowfall days, 0.31" (8mm) of snow is typically accumulated. In Highland Manor, during the entire year, snow falls for 6.6 days and aggregates up to 2.17" (55mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 7:30 am and sunset at 5:28 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:38 pm EST.
Sunshine
The month with the least sunshine in Highland Manor, Tennessee, is December, with an average of 5h of sunshine.UV index
The months with the lowest UV index in Highland Manor are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: In December, the UV index of 2 transforms into the following advice:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Highland Manor, TN
- Average high temperature in December: 50.7°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (46.8°F).
- Average low temperature in December: 36.5°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in December
Highland Manor, TN
- Average pressure in December: 30.15"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Highland Manor, TN
- Average wind speed in December: 6.1mph
The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in December
Highland Manor, TN
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, August and October (74%).
Average rainfall in December
Highland Manor, TN
- Average rainfall in December: 3.58"
The wettest month (with the highest rainfall) is February (3.62").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in December
Highland Manor, TN
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in December
Highland Manor, TN
- Average snowfall in December: 0.31"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Highland Manor, TN
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Highland Manor, TN
- Average daylight in December: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Highland Manor, TN
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in December
Highland Manor, TN
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Highland Manor, TN
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in December
Highland Manor, TN
- Average visibility in December: 5mi
The months with the highest visibility are February, March, April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, May and December (5mi).





